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VESPA PRIMAVERA 125 Service Station Manual
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VESPA PRIMAVERA 125 Service Station Manual

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SERVICE STATION MANUAL
1Q000118 EN
Vespa Primavera125 - 150 i.e. 3Valvole (2013)

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Summary of Contents for VESPA PRIMAVERA 125

  • Page 1 SERVICE STATION MANUAL 1Q000118 EN Vespa Primavera125 - 150 i.e. 3Valvole (2013)
  • Page 2 SERVICE STATION MANUAL Vespa Primavera125 - 150 i.e. 3Valvole (2013) The descriptions and images in this publication are given for illustrative purposes only and are not binding. While the basic characteristics as described and illustrated in this booklet remain unchanged, Piaggio &...
  • Page 3 SERVICE STATION MANUAL Vespa Primavera125 - 150 i.e. 3Valvole (2013) This service station manual has been drawn up by Piaggio & C. Spa to be used by the workshops of Piaggio dealers. It is assumed that the user of this manual for maintaining and repairing Piaggio vehicles has a basic knowledge of mechanical principles and vehicle repair technique procedures.
  • Page 5 INDEX OF TOPICS CHAR HARACTERISTICS TOOL OOLING MAIN AINTENANCE TROUBL ROUBLESHOOTING ELE SYS LECTRICAL SYSTEM ENG VE NGINE FROM VEHICLE NGINE INJEC NJECTION SUSP USPENSIONS BRAK SYS RAKING SYSTEM CHAS HASSIS PRE DE DELIVERY...
  • Page 6 INDEX OF TOPICS CHAR HARACTERISTICS...
  • Page 7 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics This section describes the general specifications of the vehicle. Rules This section describes general safety rules for any maintenance operations performed on the vehicle. Safety rules - If work can only be done on the vehicle with the engine running, make sure that the premises are well ventilated, using special extractors if necessary;...
  • Page 8 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Vehicle identification VEHICLE IDENTIFICATION 125 Specification Desc./Quantity Chassis prefix ZAPM81100 Engine prefix M811M VEHICLE IDENTIFICATION 150 Specification Desc./Quantity Chassis prefix ZAPM81200 Engine prefix M812M VEHICLE IDENTIFICATION USA-CND Specification Desc./Quantity Chassis prefix ZAPM818G...
  • Page 9 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Dimensions and mass WEIGHT AND DIMENSIONS Specification Desc./Quantity Length 1860 mm (73.23 in) Width 735 mm (28.94 in) Height 1145 mm (45.08 in) Wheelbase 1340 mm (52.76 in) Kerb weight 118 ± 5 kg Kerb weight versions USA-CND 264 lb.
  • Page 10 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Specification Desc./Quantity Cooling Forced-air circulation cooling. Electric Electric starter Ignition Electronic capacitive discharge ignition, with variable advance and separate H.V. coil. Ignition advance Three-dimensional map managed by control unit Spark plug (125 cm³)
  • Page 11 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Frame and suspensions RAME AND USPENSION Specification Desc./Quantity Chassis Stamped plate body with welded structural reinforcements. Front suspension Single arm with helical spring and single double-acting hy- draulic shock absorber. Rear suspension Double-acting shock absorber, adjustable to four positions at preloading.
  • Page 12 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics (°) Apply LOCTITE 242 threadlock SILENCER Name Torque in Nm Silencer heat guard fixing screws 4 to 5 (3.6 to 3.7 lbf*ft) Screws fixing silencer to the crankcase 24 to 27 (17.7 to 19.9 lbf*ft) Oxygen sensor tightening on exhaust manifold 40 to 50 (29.5 to 36.9 lbf*ft)
  • Page 13 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Name Torque in Nm Cylinder stud bolt fitting See section ENGINE/LUBRICATION/STUD BOLT Throttle body clamp screws 1.3 - 1.7 (0.9 - 1.2 lb*ft) Tensioner spring retaining screw 5 - 6 (3.7 - 4.4 lb*ft) Fastener chain tensioner 11 - 13 (8.1 - 9.5 lb*ft)
  • Page 14 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics CYLINDER - PISTON (150) Specification Desc./Quantity Piston diameter 57.947 (± 0.014) mm Cylinder diameter 58 (+0.008 -0.020) mm COUPLING CATEGORIES (125) Name Initials Cylinder Piston Play on fitting cylinder - piston 51.980 - 51.987 51.947 - 51.954...
  • Page 15 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics - Carefully clean the sealing rings housings. - Measure the sealing rings - pistons coupling clearance using suitable sensors, as shown in the diagram - If clearances measured exceed the limits speci- fied in the table below, the piston should be re- placed by a new one.
  • Page 16 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics CRANKSHAFT / CONNECTING ROD AXIAL CLEARANCE Name Abbreviation Sizes fitting clearance Half shaft, transmission side 18.1 (+0; -0.05) mm D = 0.20 - 0.50 Half shaft, flywheel side 18.1 (+0; -0.05) mm D = 0.20 - 0.50...
  • Page 17 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics CRANKSHAFT Specification Desc./Quantity Camshaft bearings: Standard diameter: Cat. 1 26.998 to 27.004 mm Crankshaft bearings: Standard diameter: Cat. 2 27.004 to 27.010 mm - In order to obtain proper bushing lubrication, make sure there are both an outstanding lubrication pressure and a good oil flow rate.
  • Page 18 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics - The main bushings have 2 half-bearings, 1 with and 1 without the lubrication channel. - The solid half-bearing is intended to stand the thrusts caused by combustion, and for this reason, it is arranged opposed to the cylinder.
  • Page 19 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics - The section of the oil feeding channels is also influenced by the driving depth of the bushings. - Visually check the wear of the bushings: in the coupling ends shown in the photo the bushing usu- ally keeps the original look, check in the rest of the bushing if there is evident removal of material.
  • Page 20 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics THE CRANKSHAFT is available in two CATEGO- RIES: Characteristic Crankshaft category: CAT. 1 - CAT. 2 CRANKSHAFT CATEGORY IDENTIFICATION: The identification is indicated on the counterweight shoulder «*1 - *2», if carried out with micropinholing.
  • Page 21 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics HEAD BEARINGS Specification Desc./Quantity bearing «A» Ø 10.000 (+0.015) mm bearing «B» Ø 28.000 (+0.007 +0.028) mm bearing «C» Ø 42.000 (+0.009 +0.034) mm Measure the unloaded spring length Characteristic Standard length 35.8 mm...
  • Page 22 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics - Measure the diameter of the valve stem at the three positions indicated in the diagram. STANDARD DIAMETER Specification Desc./Quantity Inlet: 4.030 to 4.015 mm Outlet: 4.975 ÷ 4.960 mm - Calculate the clearance between the valve and its guide.
  • Page 23 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics - After measuring the valve guide diameter and the valve stem diameter, check the clearance be- tween guide and stem. INTAKE Specification Desc./Quantity Standard clearance: 0.10 mm Limit allowed: 0.08 mm EXHAUST Specification Desc./Quantity...
  • Page 24 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics TANDARD DIAMETER Specification Desc./Quantity Camshaft check: Standard diameter Bearing A Ø: 25.002 to 25.015 mm Camshaft check: Standard diameter Bearing B diameter: 12.002 to 12.013 mm - Check the outside diameter of the rocker pins - Check there are no signs of wear or scoring on the rocker pins.
  • Page 25 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Slot packing system Characteristic Compression ratio (10.5±0.5):1 Distance "A" to be measured is a value of piston recess, it indicates by how much the piston crown descends below the plane formed by the cylinder crown. The further the piston enters into the cylinder, the thinner the base gasket to be used should be (to compensate the compression ratio) and vice versa.
  • Page 26 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Characteristics Products RECOMMENDED PRODUCTS TABLE Product Description Specifications AGIP GEAR SAE 80W-90 Lubricant for gearboxes and transmis- API GL-4 sions. AGIP BRAKE 4 Brake fluid. SAE J 1703 -FMVSS 116 - DOT 3/4 - ISO...
  • Page 27 INDEX OF TOPICS TOOL OOLING...
  • Page 28 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling SPECIFIC TOOLS Stores code Description 001330Y Tool for fitting steering seats 001467Y008 Calliper to extract 17-mm diameter bear- ings 001467Y009 Bell for OD 42-mm bearings 001467Y013 Calliper to extract 15-mm diameter bear-...
  • Page 29 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020004Y Punch to remove steering bearings from headstock 020021Y Front suspension service tool 020036Y Punch 020037Y Punch 020038Y Punch TOOL - 29...
  • Page 30 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020055Y Wrench for steering tube ring nut 020074Y Support base for checking crankshaft alignment 020150Y Air heater support 020151Y Air heater 020193Y Gauge for oil pressure check 020263Y Sheath for fitting the driven pulley...
  • Page 31 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020325Y Pliers for brake-shoe springs 020329Y Vacuum pump Mity-Vac 020330Y Stroboscopic light for timing checking 020331Y Digital multimeter 020332Y Digital rpm indicator TOOL - 31...
  • Page 32 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020334Y Multiple battery charger 020335Y Dial gauge magnetic support 020357Y 32 x 35 mm adaptor 020358Y 37 x 40 mm adaptor 020359Y 42 x 47-mm adaptor 020360Y 52 x 55-mm adaptor...
  • Page 33 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020364Y 25-mm Guide 020375Y 28 x 30 mm adaptor 020376Y Adapter handle 020382Y Valve cotters removal tool 020412Y 15 mm guide 020424Y Punch for fitting driven pulley roller casing...
  • Page 34 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020427Y Piston fitting ring 020431Y Valve oil seal extractor 020434Y Fitting for oil pressure check 020441Y 26 x 28 mm adaptor 020444Y011 adapter ring 020444Y009 wrench 46 x 55...
  • Page 35 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020439Y 17 mm guide 020442Y Pulley lock wrench 020444Y Tool for fitting/removing the clutch on the driven pulley 020480Y Fuel pressure check set 020922Y Diagnosis Tool 020933Y Flywheel extractor...
  • Page 36 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Tooling Stores code Description 020938Y Driving pulley check ring 020939Y Flywheel retainer 020941Y Crankshaft timing adjustment tool 020942Y Piston protrusion check tool 020922Y Diagnosis Tool TOOL - 36...
  • Page 37 INDEX OF TOPICS MAIN AINTENANCE...
  • Page 38 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 39 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance mi (km) x 1.000 0.6 (1) 3.1 (5) 6.2 (10) 9.3 (15) 12.4 (20) 15.5 (25) 18.6 (30) Hub oil Headlight aiming adjustment Brake pads Tyre pressure and wear Vehicle road test...
  • Page 40 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance - Fit the spark plug with the correct inclination and manually screw it all the way down, then use the special spanner to tighten it. - Fit the cap on the spark plug as far as it will go.
  • Page 41 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Replacement - Remove the oil level check and filler screw. - Prepare an adequately sized container. - Unscrew the oil drainage plug and drain out all the oil. - Screw in the drainage cap again and fill the hub with the prescribed oil.
  • Page 42 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Air filter - Remove the helmet compartment. - Disconnect the air intake pipe from the filter box. - Undo the six screws and remove the air-box cov- - To clean the filtering element proceed as follows: remove the paper filtering element, blast with com- pressed air and then refit it.
  • Page 43 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance In all four stroke engines, the deterioration of the oil characteristics, or a certain consumption should be considered normal, especially if during the run-in period. Consumption levels in particular can be influenced by the conditions of use (e.g.: oil consumption increases when driving at "full throttle".
  • Page 44 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Check This operation must be carried out with the engine cold and following the procedure below: - Place the vehicle on its centre stand and on flat ground. - Undo cap/dipstick, dry it off with a clean cloth and reinsert it, screwing down completely.
  • Page 45 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Oil pressure warning light The vehicle is equipped with a telltale light on the dashboard that lights up when the key is turned to the «ON» position. However, this light should switch off once the engine has been started.
  • Page 46 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Checking the valve clearance To remove the head cover: - Remove the rear shock absorber. - Remove the helmet compartment. - Lift the body. - Remove the clamp of the H.V. wire To check valve clearance, centre the reference marks of the timing system.
  • Page 47 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Top-up Proceed as follows: - Remove the upper handlebar cover. - Remove the reservoir cap by loosening the two screws, remove the gasket and top-up using only the fluid specified without exceeding the maximum level.
  • Page 48 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance 2. Turn on the headlight and check that the boun- dary of the light beam projected onto the screen is not higher than 9/10 or lower than 7/10 of the dis- tance between the centre of the headlight and the ground;...
  • Page 49 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance Safety valve check The cleaning of the canister is achieved via a controlled flow of air from the vacuum socket in the intake manifold. To ensure that the engine works properly, it is necessary that the flow of air is not too intense, this is achieved by means of a restricted section 0.0354in (0.9 mm) formed in the socket on the intake manifold.
  • Page 50 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Maintenance • Pressurisation of the tank (while riding or during a break, you may experience increases in the temperature inside the tank. The valve must pressurize the tank to limit the escape of fuel vapour to the canister).
  • Page 51 INDEX OF TOPICS TROUBL ROUBLESHOOTING...
  • Page 52 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Troubleshooting Engine Poor performance POOR PERFORMANCE Possible Cause Operation Air filter blocked or dirty. Remove the sponge, wash with water and car shampoo, soak with specific oil for foam filter treatment. Press with your hand without squeezing, allow it to drip dry and refit.
  • Page 53 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Troubleshooting Insufficient lubrication pressure LOW LUBRICATION PRESSURE Possible Cause Operation By-Pass remains open Check the By-Pass and replace if required. Carefully clean the By-Pass area. Oil pump with excessive clearance Perform the dimensional checks on the oil pump components...
  • Page 54 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Troubleshooting Battery BATTERY Possible Cause Operation Battery The battery is the electrical device in the system that requires the most frequent inspections and thorough maintenance. If the vehicle is not used for some time (1 month or more) the battery needs to be recharged periodically.
  • Page 55 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Troubleshooting TROUBL - 55...
  • Page 56 INDEX OF TOPICS ELE SYS LECTRICAL SYSTEM...
  • Page 57 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 1. Battery 2. Starter relay contacts 3. Starter motor 4. Main fuse 5. Ignition switch 6. Secondary fuses 7. Voltage regulator 8. Magneto flywheel 9. Speed sensor 10. Instrument panel 11. MODE button 12.
  • Page 58 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 20. Starter button 21. Starter relay coil 22. High beam warning light 23. Light switch 24. Headlight relay 25. Headlight 26. Saddle opening actuator 27. Horn button 28. Horn 29. Engine oil pressure warning light 30.
  • Page 59 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system BL = Blue Ma = Brown Ne = Black Rs = Red Ro = Pink Ve = Green Vi = Violet Gr = Grey Components arrangement 1. RIGHT HAND STOP SWITCH - Remove the upper handlebar cover to reach it.
  • Page 60 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 2. HEADLIGHT - Remove the upper handlebar cover to reach it. 3. SECONDARY FUSES - Open the front case to reach it. 4. TURN INDICATORS INTERMITTENCE 5. HORN 6. VOLTAGE REGULATOR - Remove the leg shield back plate to reach it.
  • Page 61 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 9. LAMBDA PROBE 10. LAMBDA PROBE CONNECTOR 11. FLYWHEEL CONNECTOR - To reach it, remove the helmet compartment. 12. FRONT RIGHT TURN INDICATOR - Remove the leg shield back plate to reach it.
  • Page 62 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 14. FRONT LEFT TURN INDICATOR - Remove the leg shield back plate to reach it. 15. INJECTOR - To reach it, remove the helmet compartment. 16. ENGINE TEMPERATURE SENSOR - To reach it, remove the helmet compartment.
  • Page 63 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 18. THROTTLE POSITION SENSOR - To reach it, remove the helmet compartment. 19. H.V. COIL - To reach it, remove the helmet compartment. 20. HORN SWITCH 21. TURN INDICATOR SWITCH 22. HIGH/LOW BEAM LIGHTS SWITCH - Remove the upper handlebar cover to reach it.
  • Page 64 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 24. STARTER BUTTON - Remove the upper handlebar cover to reach it. 25. IGNITION SWITCH 26. IMMOBILIZER AERIAL - Remove the leg shield back plate to reach it. 27. STARTER RELAY - Remove the footrests to reach it.
  • Page 65 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 30. REAR LIGHT - Remove the rear headlight assembly to reach it. 31. REAR LEFT TURN INDICATOR 32. LICENSE PLATE LIGHT - Remove the license plate cover to reach it. 33. REAR RIGHT TURN INDICATOR...
  • Page 66 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 34. STARTER MOTOR - To reach it, remove the helmet compartment. 35. DIAGNOSTICS SOCKET - Remove the battery cover to reach it. 36. PRE-INSTALLATION FOR ANTI-THEFT DE- VICE - Remove the footrests to reach it.
  • Page 67 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system There is another ground point "B" on the starter motor. On the left side of the chassis, under the footrest, there is the chassis-engine ground lead "C". Electrical system installation Front side 1.
  • Page 68 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 2. Left control lock 3. Headlight connector 4. Instrument panel connector 5. Right control lock 6. Right stop button 7. Left electrical controls connector 8. Ignition switch 9. Voltage regulator 10. Turn indicator control device...
  • Page 69 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 11. Voltage regulator connector 12. Front left turn indicator connector 13. Horn connections 14. Saddle opening switch connector 15. To speed sensor on wheel ELE SYS - 69...
  • Page 70 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 16. Headlight relay base 17. Front right turn indicator connector 18. Secondary fuses 19. Speed sensor connector ELE SYS - 70...
  • Page 71 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 20. Right electrical controls connector 21. Injection ECU 22. Immobilizer aerial 23. Headlight relay ELE SYS - 71...
  • Page 72 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 24. Ground point on chassis 25. Negative battery pole 26. Diagnostics socket 27. Positive battery pole 28. Main fuse 29. To rear cable harness 30. Pre-installation for anti-theft device 31. Saddle opening actuator connector...
  • Page 73 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 32. Starter relay 33. Roll-over sensor connector 34. Roll-over sensor ELE SYS - 73...
  • Page 74 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Back side 1. Engine temperature sensor connector 2. Injector connector 3. Oxygen sensor connector 4. Magneto flywheel connector 5. Starter motor positive 6. Starter motor negative 7. Throttle body position sensor connector 8.
  • Page 75 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Ignition 1. Battery 4. Main fuse 5. Ignition switch 6. Secondary fuses 41. Injector 43. Engine speed sensor 44. Engine temperature sensor 45. Lambda probe 47. H.V. coil 49. Throttle body position 52.
  • Page 76 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Battery recharge and starting 1. Battery 2. Starter relay contacts 3. Starter motor 4. Main fuse 5. Ignition switch 6. Secondary fuses 7. Voltage regulator 8. Magneto flywheel 18. Stop light 19.
  • Page 77 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Level indicators and enable signals section 1. Battery 4. Main fuse 5. Ignition switch 6. Secondary fuses 9. Speed sensor 10. Instrument panel 29. Engine oil pressure warning light 30. Engine oil pressure sensor 31.
  • Page 78 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Devices and accessories 1. Battery 4. Main fuse 5. Ignition switch 6. Secondary fuses 10. Instrument panel 11. MODE button 13. Pre-installation for anti-theft device 26. Saddle opening actuator 27. Horn button 28.
  • Page 79 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Lights and turn indicators Versions for market USA-CND ELE SYS - 79...
  • Page 80 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 1. Battery 4. Main fuse 5. Ignition switch 6. Secondary fuses 10. Instrument panel 12. Turn indicator control 14. Turn indicator switch 15. Left turn indicator bulbs 16. Turn indicators warning lights 17.
  • Page 81 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 40. License plate light 52. Injection ECU INJECTION 1. Battery 4. Main fuse 5. Ignition switch 6. Secondary fuses 21. Starter relay coil 34. Roll-over sensor 35. engine stop switch 36. Immobilizer LED 41.
  • Page 82 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 49. Throttle body position 50. Diagnostics socket 51. Immobilizer aerial 52. Injection ECU Checks and inspections Immobiliser The electronic ignition system is controlled by the control unit with the integrated Immobilizer system.
  • Page 83 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Virgin circuit When the ignition system is not encrypted, any key will start the engine but limited to 2000 rpm. The keys can only be recognised if the control unit has been programmed properly.
  • Page 84 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system thoroughly inspected: In any case it is advisable to use resistor spark plugs. Diagnostic codes The Immobilizer system is tested each time the ig- nition key is turned from «OFF» to «ON». During...
  • Page 85 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Diagnostic code - 1 flash A one-flash code indicates a system where the se- rial line is not present or is not detected. Check the Immobilizer antenna wiring and change it if nec- essary.
  • Page 86 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system This, in its turn, is connected directly to the ground and the battery's positive terminal passing through the 20A protective fuse. The three-phase alternator provides good recharge power and at low revs a good compromise is ach- ieved between generated power and idle stability.
  • Page 87 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Starter motor 1. Battery 2. Fuse No. 1 3. Starter relay 4. Starter motor 5. Ignition switch 6. Fuse no. 2 7. Stop buttons 8. Starter button 9. CDI control unit...
  • Page 88 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Horn control 1. Battery 2. Fuse No. 1 3. Ignition switch 4. Fuse no. 2 5. Horn button 6. Horn ELE SYS - 88...
  • Page 89 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Turn signals system check 1. Battery 2. Fuse No. 1 3. Ignition switch 4. Fuse no. 2 5. Turn indicator device 6. Turn indicator switch 7. Turn indicators level indicators WARNING ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH THE CORRESPONDING CONNECTORS DISCONNECTED.
  • Page 90 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system If faults are detected: 1) With a multimeter, check resistance values be- tween the White-Green cable and the Black cable of the fuel level transmitter under different condi- tions. 2) If the transmitter operates correctly but the in-...
  • Page 91 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 6. Light solenoid 7. CDI control unit 8. Light switch 9. High beam warning light 10. Headlight 11. Front daylight running light 12. License plate light 13. Rear daylight running light 14.
  • Page 92 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 1. Battery 2. Fuse No. 1 3. Fuse no. 2 4. Ignition switch 5. Fuse No. 5 6. Light solenoid 7. CDI control unit 8. Light switch 9. High beam warning light 10.
  • Page 93 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Specification Desc./Quantity Power: 12V - 10W Quantity: 2 RHS + 2 LHS Rear daylight bulbs Type: Halogen (HY6W) Power: 12V - 6W Quantity: 1 RHS + 1 LHS Stop light bulb...
  • Page 94 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system IN ORDER TO AVOID DAMAGING THE ELECTRIC SYSTEM, NEVER DISCONNECT THE WIRING WHILE THE ENGINE IS RUNNING. DO NOT TIP THE VEHICLE TOO MUCH IN ORDER TO AVOID DANGEROUS LEAKAGE OF THE BATTERY ELECTROLYTE.
  • Page 95 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Dashboard A = Speedometer B = Immobilizer LED C = Engine control warning light D = Turn indicator warning light E = Low fuel warning light F= Digital display G = Low engine oil pressure warning light...
  • Page 96 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Sealed battery If the vehicle is provided with a sealed battery, the only maintenance required is the check of its charge and recharging, if necessary. These operations should be carried out before delivering the vehicle, and on a six-month basis while the vehicle is stored in open circuit.
  • Page 97 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 1) Battery preparation Position the battery on a flat surface. Remove the adhesive sheet closing cells and proceed as quick- ly as possible to run the subsequent activation phases. 2) Electrolyte preparation.
  • Page 98 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Note:To do this, do not use sharp objects that could damage the closing strip, use gloves to protect your hands and do not bring your face close to the battery. The filling process is now complete.
  • Page 99 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system e - Press the "MF" black button to activate the bat- tery recharge Maintenance Free as shown in fig- ure. f - Check the ignition of the green LED indicated with a red arrow in figure.
  • Page 100 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Connectors DIAGNOSTICS CONNECTOR 1. Not connected 2. Ground lead (Black) 3. Electronic control unit (Orange-Black) FLYWHEEL a1. Gi - Voltage regulator b1. GrVe - Pickup - c1. Gi - Voltage regulator a2.
  • Page 101 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 11. VeBi - lights enabling 12. Rs - pickup + 13. VeBL - Lambda + 14. ArBi - TPS sensor 15. Ar - Engine stop switch 16. AzVe - Engine temperature sensor 17.
  • Page 102 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system VOLTAGE REGULATOR 1. RsNe - positive 2. Gr 3. Ne - ground 4. Gi - flywheel 5. Gi - flywheel 6. Gi - flywheel INSTRUMENT PANEL CONNECTOR 1. Oil pressure sensor (Pink-White) 2.
  • Page 103 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system H.V. COIL 1. RoNe (black) - control unit 2. Ne (green) - ground ANTITHEFT DEVICE PRE-INSTALLATION CONNECTOR 1. Ground lead (Black) 2. Left indicator (White - Blue) 3. Right indicator (Pink) 4.
  • Page 104 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Tensione di alimentazione: 12 V Principio di funzionamento Il sensore interviene, inviando alla centralina un segnale di arresto motore, nei casi in cui rileva un'inclinazione del veicolo superiore a ~ 60° (ad esempio in seguito a scivolate o cadute).
  • Page 105 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Installazione Il sensore deve essere montato con la parte «A» rivolta verso l'alto e la superficie «B» parallela alla direzione di marcia «C» del veicolo. Diagnostic instrument BATTERY ELECTRICAL ERRORS Low power supply P0562 Error cause The battery voltage is below the minimum threshold.
  • Page 106 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Replace the key and store it if necessary. If the error persists, check the electrical characteristics and the continuity of the antenna circuit: - Disconnect the antenna connector and check the correct resistance value at the ends.
  • Page 107 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system 1. Positive from control unit 2. Negative from control unit (injector activation) ELECTRICAL ERRORS Low injector voltage P0261 - open circuit or short circuit to negative. Error cause Open circuit or short circuit to negative: interruption of the circuit or null voltage at PIN 2 of the injector connector.
  • Page 108 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system - If the above tests provided a positive result, the injector should be replaced. FUEL PUMP Function Pump fuel from the tank to introduce it in the in- jection circuit. Pin-out: 1.
  • Page 109 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system ENGINE TEMPERATURE SENSOR Function Serves the purpose of communicating the engine temperature to the control unit in order to optimise performance. Operation / Operating principle NTC type sensor (resistance sensor, inversely variable with temperature).
  • Page 110 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system THROTTLE BODY POSITION SENSOR (TPS) Function In charge of sending the size of throttle opening to the control unit. Pin-out: 1. Control unit ground 2. Control unit power 3. Throttle position signal ELECTRICAL ERRORS Low TPS sensor voltage input P0122 - open circuit or short circuit to negative.
  • Page 111 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system LAMBDA PROBE Function In charge of telling the control unit whether the mixture is lean or rich. Operation / Operating principle Based on the difference of oxygen in the exhaust fumes and the environment, this generates volt- age which is read and interpreted by the injection control unit.
  • Page 112 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system Open circuit or short circuit to negative: interruption of the circuit or null voltage at PIN 3 of the control unit connector. Troubleshooting Open circuit: - Disconnect the control unit connector and the heater connector and perform the check procedure.
  • Page 113 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system - Check the continuity of the cable harness between the control unit connector and valve connector: Control unit PIN 17 - valve PIN 1 and control unit PIN 9 - valve PIN 1. If there is no continuity, restore the cable harness.
  • Page 114 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system INJECTION WARNING LIGHT Function Indicates a fault of the injection system. Instrument panel connector pin-out: 16. Injection warning light ELECTRICAL ERRORS Low MIL warning light voltage P1651 - open circuit or short circuit to negative.
  • Page 115 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system HEADLIGHT RELAY Function Controls the lights logic, the engine control unit modifies at idle speed the intensity of the headlight for maintaining battery. Pin-out: 30. Battery positive 85. Live positive lead 86.
  • Page 116 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Electrical system - Check the presence of fixed voltage on PIN 30 of the relay base, otherwise check the relative cable harnesses and the fuse no. 4. - With the key set to ON, check the presence of voltage in the battery on the relay base connector PIN 85, otherwise check the related cable harnesses, the ignition switch contacts and fuses no.2 and 3.
  • Page 117 INDEX OF TOPICS ENG VE NGINE FROM VEHICLE...
  • Page 118 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine from vehicle N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 119 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine from vehicle - Remove the lambda probe from the manifold. Removal of the engine from the vehicle CAUTION SUPPORT THE MOTORCYCLE FIRMLY. - Disconnect the battery. - Remove the footrest. - Remove the helmet compartment.
  • Page 120 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine from vehicle - Disconnect the air intake pipe from the filter box. - Remove the ground lead and the positive cable from the starter motor shown in the figure. - Disconnect the fuel hoses and the main cable harness from the injector.
  • Page 121 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine from vehicle - Disconnect the main cable harness from the en- gine temperature sensor. - Remove the connector from the idle speed ad- justment device - Remove the connectors of the H.V.coil - Remove the throttle position sensor connector.
  • Page 122 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine from vehicle - Remove the throttle grip cables. - Working on the right side, unscrew and remove the nut which holds the coupling bolt swinging arm - engine - Working on the left side, remove the bolt, be careful to collect the spacer.
  • Page 123 INDEX OF TOPICS NGINE...
  • Page 124 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 125 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Air duct - Remove the plastic cover. - Unscrew the two screws indicated and remove the duct. Removing the driven pulley shaft bearing - Remove the Seeger ring. CAUTION PLACE THE COVER ON A SURFACE, REMOVING OR EX- CLUDING THE ALIGNMENT DOWELS.
  • Page 126 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the driven pulley shaft bearing - Use the heat gun to heat the inner part of the lid. - Using the equipment plant a new bearing, apply grease on the adapter and guide in order to main- tain the position of the bearing during operation on the vertical axis.
  • Page 127 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the clutch drum - Make sure that the clutch bell is not worn or dam- aged. - Measure the clutch bell inside diameter. Characteristic Clutch bell max. value Max. value: Ø 134.5 mm clutch housing standard value Standard value: Ø...
  • Page 128 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Using a dial gauge and the magnetic base, meas- ure the bell eccentricity. - Repeat the measurement at 3 positions (Central, internal, external). - In case of faults, replace the bell.
  • Page 129 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Separate the components of the driven pulley. CAUTION THE TOOL MUST BE FIRMLY FIXED IN THE VICE AND THE CENTRAL SCREW MUST NOT BE TIGHTENED WITH EX- CESSIVE TORQUE AS THIS MAY DAMAGE THE PULLEY OR DEFORM THE SPECIFIC TOOL.
  • Page 130 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Pin retaining collar - Simultaneously turn and pull the collar manually to remove it. N.B. USE TWO SCREWDRIVERS IF YOU HAVE ANY DIFFICUL- N.B. BE CAREFUL NOT TO PUSH THE SCREWDRIVERS IN TOO FAR TO AVOID DAMAGE THAT COULD COMPROMISE THE O-RING SEAL.
  • Page 131 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the driven fixed half-pulley - Measure the outside diameter of the pulley bush- ing. Characteristic Standard diameter: Ø 40.1 ± 0.05 mm Refitting the driven half-pulley bearing - Fit the new roller bearing using the specific...
  • Page 132 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the driven pulley - Check that the faying surfaces of the 2 half-pul- leys and the belt do not show any signs of wear, scoring or grease. - Insert the new oil seals and O-rings on the mov- able half-pulley.
  • Page 133 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the driven pulley - Reassemble the clutch housing and spacer. Drive-belt - Make sure the drive belt is not damaged and does not show signs of abnormal wear. - Replace according to the scheduled maintenance table.
  • Page 134 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the flat washer and the cup washer. - Remove the stationary half-pulley and the wash- - Disengage the belt. - Remove the complete roller housing. Inspecting the rollers case - Check that the internal bushing shown in the fig- ure is not abnormally worn and measure inner diameter A.
  • Page 135 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Check that stationary driving pulley does not show signs of abnormal wear on the grooved edge and on the surface in contact with the belt. CAUTION DO NOT LUBRICATE OR CLEAN SINTERED BUSHINGS...
  • Page 136 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the transmission cover Follow the removal steps but in reverse order; be careful to tighten to the prescribed torques. Locking torques (N*m) Clutch cover retainer screws 10.8 to 12.8 End gear...
  • Page 137 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the brake shoe. - Unscrew the eight hub cap fixing screws. - Remove the final reduction cap complete with the wheel axle, being careful not to drop the inter- mediate gear.
  • Page 138 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the hub bearings Removing the clutch shaft bearing - Remove the Seeger ring. - Remove the oil seal from the opposite side. - Remove the bearing working from the external side and using the specific tools.
  • Page 139 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the wheel axle bearings - Support the hub cover properly to avoid damag- ing the sealing surface with the crankcase - Remove the Seeger ring from the outside. - Operating on the inside, remove the oil seal.
  • Page 140 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Intermediate gear D: 15(-0.01 -0.02)mm E: 15(-0.01 -0.02)mm Inspecting the hub cover - Check that the coupling surfaces are not dented or distorted. - Check the bearing bearings. - In case of faults, replace the damaged parts.
  • Page 141 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Fitting the transmission shaft bearing - Use the heat gun to heat the bearing seat. - Set a new bearing using the specific equipment . Specific tooling 020151Y Air heater 020376Y Adapter handle...
  • Page 142 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine 020151Y Air heater 020376Y Adapter handle 020360Y 52 x 55-mm adaptor 020364Y 25-mm Guide Fitting the transmission gear bearing - Use the heat gun to heat the bearing seat. - Using the equipment set a new bearing.
  • Page 143 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Insert the gears of the reduction unit in the re- duction cover and tighten the screws to the speci- fied torque, tightening in crossed sequence. - Check the correct the tightening drainage screw.
  • Page 144 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Cooling fan - Remove the front part of the fan, unscrewing the three fixing screws. - Using the specific tool, unscrew the cooling fan fixing screw. - Remove the fan. - Recover the wrench.
  • Page 145 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the cover. - Remove the gasket. - Pay attention to the alignment dowels. Removing the stator - Remove the flywheel cover. - Unscrew the 2 flywheel fixing screws and the four pick-up fixing screws and cable harness retainer screws.
  • Page 146 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the stator - Refit the stator and the flywheel carrying out the removal steps but in reverse order, tightening the retainers to the prescribed torque. - Respect the operation of the pick-up.
  • Page 147 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the starter motor - Undo the two fixing screws and remove the start- er motor. Removing the flywheel magneto - Undo the screw indicated and remove the plate. - Install the specific tool and unscrew the retainer nut of the flywheel, recovering the washer.
  • Page 148 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Before screwing in the flywheel extractor the pro- tection tool provided in the specific tool must be positioned. Specific tooling 020933Y Flywheel extractor - Acting on the extractor, remove the flywheel to- gether with the starting sprocket and intermediate gear.
  • Page 149 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the starter motor - Fit a new O-ring on the starter motor and lubricate - Fit the starter motor on the crankcase and lock the two screws to the prescribed torque.
  • Page 150 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the intake manifold - The intake manifold is positioned on the head, loosen the clamps and remove the sleeve con- necting to the throttle body. - Undo the three manifold fixing screws and re- move it.
  • Page 151 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the engine temperature sensor. - Undo the screw indicated. - remove the upper part of the cover. - Unscrew the four screws and remove the tappet cover. ENG - 151...
  • Page 152 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the timing system drive - Before carrying out operations on the timing sys- tem we recommend positioning the engine at TDC in compression. To do this use the specific tools. - Use the holes on the engine crankcase to secure the tool.
  • Page 153 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Undo the two screws on the timing system gear. - Disengage the timing system gear and remove the camshaft control sprocket. - Remove the cylinder as described in section «Engine/Piston cylinder disassembly»...
  • Page 154 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the chain tensioner pad. - Remove the control gear. - Remove the seal OR. - Remove the flat washer. ENG - 154...
  • Page 155 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine CAUTION REMEMBER TO CORRECTLY POSITION THE SEAL OR IN THE REFITTING PHASE. - Release the timing chain from the crankshaft - Remove the control gear. See also Removal Removing the cylinder - piston assy.
  • Page 156 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the cylinder head - Gradually loosen the four screws in crossed se- quence and recover the washers. - Undo the two external screws. ENG - 156...
  • Page 157 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the cylinder head. - Remove the chain guide slider and the gasket. - Remove the gasket. ENG - 157...
  • Page 158 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine N.B. ON ASSEMBLY PAY CLOSE ATTENTION TO THE TWO DOWELS. Removing the valves - Use the specific tool to remove the cotters, cap and spring. CAUTION PROPERLY REPLACE THE PADS AND ROCKERS SO AS TO PRESERVE THE COUPLINGS.
  • Page 159 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Use the specific tool to remove the valve oil seal. Specific tooling 020431Y Valve oil seal extractor - Slide off the valve and remove the lower support. Removing the cylinder - piston assy.
  • Page 160 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Remove the retainer rings and remove the piston. N.B. BE CAREFUL NOT TO DAMAGE THE SEALING RINGS DURING REMOVAL. Inspecting the small end N.B. TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP- TER.
  • Page 161 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP- TER. See also Piston rings Removing the piston - Fit the piston and pin onto the connecting rod, aligning the piston arrow towards the engine di- rection of rotation.
  • Page 162 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Measure the deviation from the reset value. - By means of the table, see the Specifications chapter identify the cylinder base gasket thickness to be used for refitting. Correctly identify the cylinder base gasket thickness to keep the correct compres- sion ratio.
  • Page 163 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting the cylinder - Fit the cylinder base gasket of the chosen thick- ness. - Using the fork support and the piston ring retain- ing band, refit the cylinder as shown in the figure.
  • Page 164 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the timing system components - Check that the guide slider and the tensioner pad are not excessively worn. - Ensure that the camshaft control pulley chain as- sembly and the sprocket wheel are not worn.
  • Page 165 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine VALVE CLEARANCE CHECK - Remove the cover. - Position the engine to the TDC in compression - Using a feeler gauge check the valve clearance. CAUTION - USE THE FEELER GAUGE LATERALLY, IN LINE WITH...
  • Page 166 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Cylinder Head Refitting the valves CAUTION MOUNT THE VALVE SPRINGS WITH THE GREEN COL- OURED COIL FACING UPWARD. - Lubricate the valve guides with engine oil. - Place the valve spring supports on the head.
  • Page 167 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the cam shaft N.B. TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP- TER. See also Cylinder Head Refitting the head and timing system components - Position the crankshaft to the TDC in compres- sion - Insert the head gasket and check the correct operation of the alignment dowels.
  • Page 168 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine - Tighten the nuts to an initial pre-torque of 9-11 - Tighten up the nuts by rotating 270.0±5.0° with crossed sequence. - Fit the two screws on the outside of the timing chain side and tighten them to the specified torque.
  • Page 169 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Locking torques (N*m) Intake manifold fixing screws 10.8 to 12.8 Crankcase - crankshaft Splitting the crankcase halves - Undo the eight crankcase coupling screws. - Separate the crankcase halves while keeping the crankshaft in one of these two halves.
  • Page 170 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the crankshaft alignment N.B. TO MEASURE WEAR LIMITS AND COUPLING CLEARANCES, SEE THE SPECIFICATIONS CHAP- TER. See also Crankcase - crankshaft - connecting rod Inspecting the crankcase halves - Before proceeding to check the crankcase halves, thoroughly clean all surfaces and oil ducts.
  • Page 171 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspecting the crankshaft plain bearings - To obtain a good bushing lubrication it is neces- sary to have both an optimal lubricating pressure (3.2 bar) and a good oil flow rate; the bushings must be correctly positioned so as not to obstruct the oil supply channels.
  • Page 172 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine CAUTION CAREFULLY CHECK THE CLEANING OF THE BY-PASS DUCT. CHECK THAT THE PISTON SLIDES BY HAND, FREELY AND WITHOUT STICKING. CAUTION IT IS ADVISABLE TO INSERT THE CRANKSHAFT IN THE FLYWHEEL SIDE CRANKCASE HALF TO PREVENT, WITH...
  • Page 173 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Lubrication Conceptual diagrams The lobe pump «F» sucks the oil from the sump, through the mesh pre-filter «C», it pushes it into the cartridge filter «E» where there is also a safety valve «D».
  • Page 174 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Oil pressure check - After removing the flywheel cover as described in the "Flywheel" chapter, remove the electric con- nexion of the minimum oil pressure switch and then remove the switch. - With the engine idling at 1750 rpm and the oil temperature at ~90°C, check that the oil pressure...
  • Page 175 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removal - Unscrew the three screws and remove them, complete with the copper gaskets. - Using pliers remove the door by acting on the appendices. - Remove the spacer and the O-ring.
  • Page 176 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting - Insert the components making sure to thoroughly grease the O-ring and the fork oil seal. - Follow the steps in reverse order taking care to tighten to torque. WARNING IN ORDER TO PREVENT ABNORMAL FORMATIONS OF...
  • Page 177 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removal - Remove the oil sump and the by-pass. - Remove the oil shield. - Preventing rotation, unscrew the water pump command screw and collect the washer. - Remove the oil pump command sprocket com- plete with chain.
  • Page 178 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Inspection - Remove the two screws and remove the oil pump cover. - Remove and wash the rotors thoroughly with pet- rol and compressed air. - Reassemble the rotors in the pump body, keep- ing the two reference marks visible.
  • Page 179 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Refitting - Follow the steps in reverse order to the removal, tightening the screws to the specified torque. - Insert the oil pump. - Insert the control sprocket and the chain. N.B.
  • Page 180 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Removing the oil sump - Remove the oil filler plug, the transmission cover, the complete drive pulley assembly with belt and the sprocket wheel, as described in the Transmis- sion chapter. - Drain the oil as described above.
  • Page 181 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Engine Piston standard diameter 12.861 + 12.843 mm Refitting the oil sump - Refit the by-pass piston in its housing. - Insert the pressure-regulating spring. - Fit a new sump seal. - Refit the sump, taking care to locate the spring in the appropriate recess machined into the inside of the sump.
  • Page 182 INDEX OF TOPICS INJEC NJECTION...
  • Page 183 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Injection system This vehicle is fitted with an integrated injection and ignition system. Injection is indirect in the manifold through an electro-injector. The injection and ignition are timed on the four-stroke cycle by means of a tone wheel keyed on to the crankshaft (24-2 teeth) and pick-up sensor.
  • Page 184 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection - Fuel pump - H.V. coil - Injector The control unit is fitted with a self-diagnosis sys- tem connected to a warning light on the instrument panel. Failures are detected and restored by the diagnostic tester.
  • Page 185 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection C: Fuel system a. Broken fuel pump b. Dirty fuel filter D: Ignition system a. Faulty spark plug b. Broken coil c. Broken shielded cap E: Intake circuit a. Dirty air filter b.
  • Page 186 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection 6. If a long period is envisaged with the vehicle not in use, fill the tank to at least the halfway mark. This will ensure the pump will be covered by fuel.
  • Page 187 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection 16. AzVe - Engine temperature sensor 17. BiNe - Idle adjustment valve 18. RsNe - +5V sensors 19. Ne - Ground 20. Bi - + key EMS circuit diagram 1. Battery 4. Main fuse 5.
  • Page 188 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection 45. Lambda probe 46. Fuel pump 47. HV coil 48. Injection warning light 49. Throttle body position 50. Diagnostics socket 51. Immobilizer aerial 52. Injection ECU Troubleshooting procedure Engine does not start...
  • Page 189 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Possible Cause Operation Intake air temperature idle speed adjustment device opening times Cleaning the throttle valve, air filter efficiency Engine stops at idle ENGINE DOES NOT IDLE/ IDLING IS UNSTABLE/ IDLING TOO LOW...
  • Page 190 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Exhaust backfires in deceleration EXHAUST BACKFIRES WHEN DECELERATING Possible Cause Operation Faults detected by self-diagnosis Pump relay HV coil Injector Engine speed timing sensor Air temperature Engine temperature Lambda probe Correctness of the parameters...
  • Page 191 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Possible Cause Operation Lambda probe Power to spark plug Spark plug Shielded cap HV Cable HV Coil Intake system Air filter Filter housing (seal) Air cleaner joint (sealing) Parameter reliability Throttle valve position signal...
  • Page 192 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Removing the injector - Remove the helmet compartment. - Disconnect the connector from the injector. - Disconnect the quick release of the petrol deliv- ery pipes. INJEC - 192...
  • Page 193 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection - Undo the fixing screws and slide the injector from the manifold being careful not to damage the seal- ing OR gasket. CAUTION DO NOT DISASSEMBLE THE INJECTOR COMPONENTS. Refitting the injector...
  • Page 194 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection - The injector on this vehicle is a twin head injector with angle different to 90°, an incorrect positioning of the injector in the throttle body can cause seri- ous malfunction; it must be observed that the pin of the spring is placed inside the recess in the in- jector body as shown in figure.
  • Page 195 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection - Remove the connector of the idling adjustment device. - Remove the clamps indicated in the figure. - Disconnect the throttle position sensor connec- tor. - Clean the throttle body according to the sched- uled maintenance.
  • Page 196 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Pump supply circuit 1. Battery 2. Fuse No. 1 3. Fuse no. 4 4. Ignition switch 5. Fuse no. 3 6. CDI control unit 7. Fuel pump Circuit leak test Install the specific tool for checking the fuel pressure, with the pipe fitted with the gauge.
  • Page 197 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection With the battery voltage > 12 V, check the pump flow rate by disconnecting from the injector the pipe equipped with the pressure gauge of the appropriate tool. Make a graded burette available with a flow rate of approximately 1 L.
  • Page 198 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Separate the lower part of the pump support as shown in the photograph. Remove the filter from the pump support Inspecting the injector circuit 1. Battery 2. Fuse No. 1 3. Fuse no. 4...
  • Page 199 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection 4. Ignition switch 5. Fuse no. 3 6. CDI control unit 7. Injector Checking the resistance at the injector ends: 14.5 ± 5% Ohm Inspecting the injector hydraulics To carry out the injector check, remove the intake...
  • Page 200 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Proceed with the injector seal test. Dry the injector outlet with a blast of compressed air. Activate the fuel pump. Wait for one minute, making sure there are no leaks coming from the injector.
  • Page 201 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection This is optimised at the moment in accordance with the engine revs, engine load, temperature and environmental pressure. With the engine at idle, the ignition advance is optimised to stabilise the speed at 1450 ± 50 rpm.
  • Page 202 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Injection Make sure that the throttle valve control is in con- tact with the stop screw. With the throttle completely closed, check that the cables have clearance in all steering positions and confirm the position at the diagnostics instrument.
  • Page 203 INDEX OF TOPICS SUSP USPENSIONS...
  • Page 204 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 205 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Remove the ball bearing check Seeger ring indi- cated in the picture Extract the ball bearing using the specific tool Specific tooling 001467Y014 Calliper to extract 15-mm diame- ter bearings 001467Y017 Bell for bearings, OD 39 mm - Remove the oil seal on the roller bearing side using a screwdriver.
  • Page 206 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Heat the roller bearing seat with a heat gun - Use the specific tool to introduce and push the bearing until it stops, with the shielded side facing - Refit the ball bearing check Seeger ring...
  • Page 207 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Removal Remove the handlebar cover before carrying out this operation,. - After removing the transmissions and discon- necting the electrical terminals, remove the termi- nal fixing the handlebar to the steering. - Check all components and replace faulty parts.
  • Page 208 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Removal After removing the upper seat, lean the vehicle on one side and extract the steering tube completely from the fork. Specific tooling 020055Y Wrench for steering tube ring nut Overhaul Servicing the front suspension-steering assembly, described below, deals mainly with replacing parts (pin- NADELLA roller bushings - sealing rings unit and dust gaiter) which connect the steering tube to the front wheel holder swinging hub.
  • Page 209 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions To remove the second NADELLA, use the tool fit- ted with part 2 instead of part 1, on the side oppo- site the one shown in the figure. N.B. DURING THE REMOVAL OPERATIONS DESCRIBED ABOVE, THE ROLLER BUSHINGS ARE DESTROYED WHEN THE EXTRACTOR IS USED.
  • Page 210 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Repeat the above operation using the tool with part 16 and part 22, instead of part 4, always fitted to the stem, on the side opposite that indicated in the figure to fit the second wedging washer - roller bushing - sealing ring unit.
  • Page 211 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions When fitting the fork, lubricate with the steering bearing tracks with the recommended grease. Tighten the lower ring nut "A" and the upper ring nut "B" to the specified torque Recommended products...
  • Page 212 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Removal - Unscrew the fixing screw of the shock absorber cover and remove the plastic by unscrewing it downwards. - Remove the swinging hub cover by disengaging the fittings. - Support the vehicle adequately.
  • Page 213 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Locking torques (N*m) shock absorber lower clamping 20 - 27 shock absorber upper clamp 20 to 30 Shock-absorber - calliper bracket Removal - Unscrew the fixing screw of the shock absorber cover and remove the plastic by unscrewing it downwards.
  • Page 214 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Remove the front wheel hub with the brake disc. - Remove the seeger indicated in the photograph. - Unscrew and remove the front shock absorber lower retainer. - Remove the bracket locking Seeger ring...
  • Page 215 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Remove the oil seal on the wheel hub side with the screwdriver as shown in the photograph - Suitably hold the brake calliper - shock absorber attachment bracket - Fit a new oil seal and move it until it stops using the specific tool...
  • Page 216 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions PAY PARTICULAR ATTENTION TO THE FIT- TING OF THE SPEED SENSOR; PROCEED AS FOLLOWS: - Mount the sensor on its seat. - Measure the distance «Y» between the brake disc and the sensor with a feeler gauge.
  • Page 217 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Remove the fifth wheel fitting and the dust gaiter on the steering bearing as shown in figure, using the specific tool. Proceed giving a few taps with the mallet. Specific tooling...
  • Page 218 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Refitting the rear wheel - To refit, follow the removal steps but in reverse order; be careful to tighten to the prescribed tor- que. Locking torques (N*m) Locking torque 137 to 152 Nm...
  • Page 219 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Working on the left side, remove the pin. - Remove the clamp indicated. - By disengaging the fittings, remove the silent block cover and slide it off from the piping. - Remove the spoiler terminal from both sides.
  • Page 220 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions - Otherwise, replace the swinging arm. Refitting - To fit, follow the removal steps but in reverse order; be careful to tighten to the prescribed torques. Locking torques (N*m) Silent block-swinging arm retaining bolts 40 to 45 Swinging arm - chassis pin 44 to 52 Engine-...
  • Page 221 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Suspensions Refitting - To fit, follow the removal steps but in reverse order; be careful to tighten to the prescribed torques. Locking torques (N*m) Shock absorber/chassis nut torque 20 - 25 Nm Lower shock absorber clamp 40 to 45...
  • Page 222 INDEX OF TOPICS BRAK SYS RAKING SYSTEM...
  • Page 223 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 224 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system Removal - Remove the front wheel - Remove the front brake calliper - Remove the hub and the disc operating on the wheel axle nut - Adequately support the hub with the disc and op-...
  • Page 225 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system Disc Inspection - Remove the front wheel - Use a micrometer to check the disc thickness as shown in the photograph - Repeat the measurement in at least 6 points on...
  • Page 226 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system Fill Front - Remove the rubber cap from the bleed screw. - Insert a rubber pipe in the bleed screw to permit the brake fluid to be recovered. - With the right-hand brake lever, load the system and bring it up to the required pressure.
  • Page 227 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system Brake fluid level check - Rest the vehicle on its centre stand on flat ground. - The brake fluid reservoir has a sight glass «A» made of transparent material; the quantity of liquid contained in the sight glass indicates the level of fluid in the reservoir.
  • Page 228 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Braking system Refitting For refitting, follow the operations in reverse order observing the tightening torque. Locking torques (N*m) Oil pipe joint to the pump: 20 - 25 Brake pump fixing screws to the handlebar: 7 to 10 Nm...
  • Page 229 INDEX OF TOPICS CHAS HASSIS...
  • Page 230 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis N.B. THE UNITS OF MEASUREMENT CONTAINED IN THIS CHAPTER ARE EXPRESSED IN TERMS OF THE DECIMAL METRIC SYSTEM. TO REFER TO THE UNIT OF MEASUREMENT EXPRESSED IN TERMS OF THE ANGLO-SAXON SYSTEM, SEE THE «CHARACTERISTICS» CHAPTER.
  • Page 231 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the helmet compartment. - Remove the four indicated screws, then undo the fuel tank cap to remove the plastic cover. Rear handlebar cover - Remove the upper handlebar cover. - Working on both sides, undo the screw to remove the indicated plastic.
  • Page 232 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the handlebar. - Remove the two screws indicated. - Remove the indicated screw. Instrument panel - Remove the upper handlebar cover. - Remove the four indicated screws fixing the in- strument panel to the handlebar cover.
  • Page 233 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the indicated screw on both sides. - Remove the two screws indicated. - Disconnect the indicated connector and remove the handlebar cover complete with instrument panel. Headlight assy. - Remove the upper handlebar cover.
  • Page 234 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis ONLY IN THE VERSIONS WHERE FITTED - Remove the indicated screw. - Remove the bulb cover and take off the bulb. - Disconnect the connector. - Undo the indicated nut and remove the turn indi- cator from the rear handlebar cover.
  • Page 235 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis Knee-guard - Open the front case and remove the three indi- cated screws. - On both sides remove the rubber cap of the turn indicator cover and the indicated underlying screw. - By disengaging the fittings, remove the leg shield back plate towards the rear part of the vehicle.
  • Page 236 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Disconnect the saddle opening button connector and remove the fuse box from the front case. - Disconnect the saddle opening lever transmis- sion and remove it from the leg shield back plate.
  • Page 237 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis ONLY IN THE VERSIONS WHERE FITTED - Remove the indicated screw. - Remove the bulb cover and take off the bulb. - Remove the indicated nut, disconnect the con- nector and remove the turn indicator from the li- cense plate holder.
  • Page 238 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis Footrest - Remove the leg shield back plate. - Remove the spark plug inspection lid. - Remove the two screws indicated. - On both sides of the vehicle unscrew the indica- ted screw, then remove the plastic and the under- lying screw.
  • Page 239 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Undo the six indicated screws on both sides and remove the front shield frame. - By disengaging the fittings, remove the footrest by extracting it upwards. - Remove the indicated plastic on both sides.
  • Page 240 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the licence plate light cover by unscrew- ing the two indicated screws and disconnect the bulb holder. - Remove the two screws indicated. Air filter - Remove the helmet compartment.
  • Page 241 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the three indicated clamps. Rear mudguard - Remove the rear wheel. - Undo the screw indicated. - Remove the two screws indicated. Fuel tank - Remove the helmet compartment. - Remove the four indicated screws, then undo the fuel tank cap to remove the plastic cover.
  • Page 242 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the rear wheel. - Remove the rear light unit and undo the indicated underlying screw. - Remove the fuel piping fixing screw indicated. - Remove the indicated screw. - Remove the clamp and slide off the indicated piping.
  • Page 243 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Chassis - Remove the indicated screw. - Slide off from the bottom the tank, by disconnect- ing the pump and fuel level transmitter connectors and the delivery piping. Front mudguard - First remove the steering tube and uncouple the...
  • Page 244 INDEX OF TOPICS PRE DE DELIVERY...
  • Page 245 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Pre-delivery Aesthetic inspection Appearance check: - Paintwork - Fitting of Plastic Parts - Scratches - Dirt Tightening torques inspection Locking Check - Safety fasteners - Fixing screws Safety fasteners: • Rear shock absorber upper retainer •...
  • Page 246 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Pre-delivery - Instrument panel warning lights - Horn - Starter CAUTION TO ENSURE MAXIMUM PERFORMANCE, THE BATTERY MUST BE CHARGED BEFORE USE. INADEQUATE CHARGING OF THE BATTERY WITH A LOW LEVEL OF ELECTROLYTE BEFORE IT IS FIRST USED SHORTENS BATTERY LIFE.
  • Page 247 Vespa Primavera125 - 150 i.e. 3Valvole (2013) Pre-delivery Static test Static check after test drive: - Restarting when warmed up - Minimum holding (turning the handlebar) - Uniform turning of the steering - Possible leaks CAUTION CHECK AND ADJUST TYRE PRESSURE WITH TYRES AT AMBIENT TEMPERATURE.
  • Page 248 Air filter: 42, 240 Battery: 54, 76, 85, 96 Brake: 223, 225, 227, 228 Brake fluid: 227 Bulbs: Checks: 82 Engine oil: 42 Fuel: 191, 197, 241 Fuses: 93 Headlight: 47, 233 Horn: 88 Hub oil: 40 Identification: 8 Instrument panel: 232 Maintenance: 7, 38 Oil filter: 44 Recommended products:...
  • Page 249 Transmission: 10, 53, 124, 136 Turn indicators: 79 Tyres: 11 Vehicle: 8, 118, 119...

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